Amazon.com: Fitbit Flex Classic Accessory Pack, Navy/Red/Blue, Large (Pack of 3) : Electronics
Amazon.com: Fitbit Flex 2 Charger, Replacement USB Charger Charging Cable Cradle Dock Adapter with 6.7" (170mm) Cable Length for Fitbit Flex 2 Fitness Wristband, Does not Fitbit Flex : Electronics
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Best Buy: WoCase FlexBand Large Wristbands for Fitbit Flex Activity and Sleep Trackers (3-Pack) Black/Pink/Turquoise F004
EPYSN 4PCS Band Compatible with Fitbit Flex,Silicone Replacement Wristband for Fitbit Flex Bracelet Sport Bands with Metal Watch Band Buckle Large/Small Black-Navy-Brown-Purple : Sports & Outdoors